Graphite Furnace Atomic Absorption Spectrometry
Determination of Lead in Mashhad City Tap Water by Graphite Furnace Atomic Absorption Spectrometry
... Lead from drinking water is one of the sources of lead exposure that contributes to the total amount of lead in the body. In this study we measured the lead concentration of tap water in Mashhad city randomly, by ...
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Measuring Conditions for the Determination of Lead in Iron Matrix Samples Using Graphite Atomizers with/without a Platform in Graphite Furnace Atomic Absorption Spectrometry
... In graphite furnace atomic absorption spectrometry (GF-AAS), the atomization process of lead occurring in graphite atomizers with/without a platform plate was investigated when ...
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Dealing with Outlier in Linear Calibration Curves: A Case Study of Graphite Furnace Atomic Absorption Spectrometry
... Abstract: Outlier in the calibration of lead by graphite furnace atomic absorption spectrometry (GF-AAS) has been studied with help of the statistical tool F-test and T-test. The ...
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Investigation of Distribution for Trace Lead and Cadmium in Chinese Herbal Medicines and Their Decoctions by Graphite Furnace Atomic Absorption Spectrometry
... Lead and cadmium in herbal medicines are highly toxic to living organisms even in low concentrations. An effective method is developed for analysis of trace lead and cadmium in Chinese herbal medicines and their ...
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Determination of Plantinum in Rocks by Graphite Furnace Atomic Absorption Spectrometry After Separation on Sorbent
... furnace atomic absorption spectrometry(GFAAS) for determination of platinum after separation and concentration by polysterene-azo-thia-zan-dition- ...are graphite furnace ...
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Validation of a method for direct cadmium determination in breast milk by graphite furnace atomic absorption spectrometry using tantalum treated graphite tube and co injection of iridium as chemical modifier
... A method for direct cadmium determination in breast milk by graphite furnace atomic absorption spectrometry (GF AAS) was developed in this work. Twenty six experiments were conducted ...
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Study on the effects of nitrilotriproprionic acid and 4,5-dihydroxy-1,3-benzene disulphonate on the fractionation of beryllium in human serum using graphite furnace atomic absorption spectrometry
... Background: Occupational exposure to beryllium may cause Chronic Beryllium Disease (CBD), a lung disorder initiated by an electrostatic interaction with the MHC class II human leukocyte antigen (HLA). Molecular studies ...
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Air-assisted Liquid Liquid Microextraction Combined with Graphite Furnace Atomic Absorption Spectrometry for Preconcentration and Determination of Trace Amount of Co(II) and Ni(II) Ions in Water Samples
... A simple, rapid and efficient method has been developed for the extraction, preconcentration and determination of cobalt(II) and nickel(II) ions in water samples by air-assisted liquid-liquid microextraction (AALLME) ...
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Graphite furnace atomic absorption spectrometry as a routine method for the quantification of beryllium in blood and serum
... increased research efforts are being targeted towards the development of a CBD treatment by chelation therapy [7,8]. For that purpose, a routine method is required to analyse beryllium in micro samples of biological ...
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Quantification of gallium, indium and thallium in meteorites and other geological materials by graphite furnace atomic absorption spectrometry : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy at Massey University
... tha l l ium in iron meteorites i n which the meta l phases do not seem to have yet been ana lysed by other workers because of l ow abundance of tha l l ium in them . Our pre l iminary s tud ies on iron meteorites ...
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Determination of Trace Amounts of Lead by Modified Graphite Furnace Atomic Absorption Spectrometry after Liquid Phase Microextraction with Pyrimidine 2 thiol
... Enrichment factor is defined as the ratio of concentra- tion of lead in the microdrop phase to concentration of lead in the aqueous sample. Concentration of lead in the microdrop phase was calculated from the calibration ...
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Degradation Process of Graphite Furnace Estimated from the Atomic Gas Temperature of Iron in Graphite Furnace Atomic Absorption Spectrometry
... the graphite furnace were investigated by monitoring the temporal variation in the atomic gas temper- ature of ...the graphite furnace was fast turned to be a better condition for ...
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Determination of Heavy Metals at Sub ppb Levels in Water by Graphite Furnace Atomic Absorption Spectrometry Using a Direct Introduction Technique after Preconcentration with an Iminodiacetate Extraction Disk
... A small disk was placed on the SS platform with a wooden toothpick and introduced into the graphite fur- nace. For the Cd, Sn, Pb, and Bi measurements, suitable amounts of Pd were added before introduction into ...
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Novel catalytic fluorescence method for speciative determination of chromium in environmental samples
... with graphite furnace atomic absorption spectrometry (GFAAS) (Moghadam et ...electrothermal atomic ab- sorption spectrometry (ET-AAS) (Ezoddin et ...flame atomic ...
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Effervescence-assisted Dispersive Liquid-liquid Microextraction for Trace Analysis of Co(II) and Ni(II) from Aqueous Sample Based on Phthalic Acid as a Complexing agent and Co-disperser
... with graphite furnace atomic absorption spectrometry has been developed for the extraction and preconcentration of Co(II) and Ni(II) from aqueous ...
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Optimization of Chromium, Nickel and Vanadium analysis in crude oil using graphite furnace atomic absorption spectroscopy
... 37. Vale, M. G. R., Damina, I. C. F., Klassena, A., Silvaa, M. M., Welzb, B., Silvab, A. F., Leprib, F. G., Borgesb, D. L. G. and Heitmann, U. Method Development for the Determination of Nickel in Petroleum Using ...
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Atomic absorption spectrometry in wine analysis
... the graphite furnace and suitable calibration method are the most popular topics of investiga- ...nonspecific absorption and ethanol content in wine sample which impairs sample de- livery into the ...
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ON-LINE PRECONCENTRATION AND DETERMINATION OF LEAD IN WATER BY FLOW INJECTION- FLAME ATOMIC ABSORPTION SPECTROSCOPY USING AMBERLITE XAD-16 FUNCTIONALIZED WITH XYLENOL ORANGE
... A PerkinElmer (Shelton, CT, USA) FIAS-400, flow injection analysis system was coupled with AAnalyst TM 400, flame atomic absorption spectrometer for automatic processing of the method and operated in ...
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Application of ultrasonic-assisted enzymatic digestion system for digestion of cockles
... 38 Bermejo-Barrera, P., Moreda-Pineiro, A., Muniz-Naveiro, O., Gomez-Fernandez, A. M. J., and Bermejo-Barrera, A. (2000). Optimization of a Microwave-Pseudo- Digestion Procedure by Experimental Designs for the ...
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Dental Erosion by Beverages and Determination of Trace Elements in Teeth by Atomic Absorption Spectrometry
... Biomonitoring of trace elements in human teeth has become an important tool to evaluate an individual’s nutri- tional and environmental status [1]-[5]. Trace elements can be ingested by humans via different routes, ...
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